20674346 has 64 divisors (see below), whose sum is σ = 41990400. Its totient is φ = 7388160.

The previous prime is 20674333. The next prime is 20674351. The reversal of 20674346 is 64347602.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138680 + ... + 138828.

It is an arithmetic number, because the mean of its divisors is an integer number (656100).

Almost surely, 2^20674346 is an apocalyptic number.

20674346 is an abundant number, since it is smaller than the sum of its proper divisors (21316054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20674346 is a wasteful number, since it uses less digits than its factorization.

20674346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 20674346 is about 4546.9051012749. The cubic root of 20674346 is about 274.4588631381.

The spelling of 20674346 in words is "twenty million, six hundred seventy-four thousand, three hundred forty-six".